Geothermal Power Plants In the US

The Largest Geothermal Power Plants in the US

PlantCity/CountyStatePrimary Fuel TypeMWh GeneratedCO2 EmissionsRank EmissionsCO2 Emissions/MWhRant Emissions/MWhClosing Date
Don A Campbell 2 GeothermalORNI 37 LLC (100.00%)
Mineral County NV Geothermal99,489MWh11
Salton Sea Power Gen Co - Unit 2MidAmerican Energy (100.00%)
Imperial County CA Geothermal98,488MWh11
BeowaweOrmat Nevada Inc (100.00%)
Lander County NV Geothermal97,405MWh11
BradyBrady Power Partners (100.00%)
Churchill County NV Geothermal94,980MWh11
Galena 3 Geothermal Power PlantOrmat Nevada Inc (100.00%)
Reno NV Geothermal92,097MWh11
Desert Peak Power PlantORNI 3 LLC (100.00%)
Churchill County NV Geothermal91,928MWh11
Raft River Geothermal Power PlantRaft River Energy 1 LLC (100.00%)
Cassia County ID Geothermal88,590MWh11
San EmidioUSG Nevada LLC (100.00%)
Washoe County NV Geothermal82,959MWh11
Aidlin Geothermal Power PlantCalpine (100.00%)
Sonoma County CA Geothermal77,312MWh11
Salton Sea Power Gen Co Unit 1MidAmerican Energy (100.00%)
Imperial County CA Geothermal75,893MWh11
McGinness HillsOrmat Nevada Inc (100.00%)
Lander County NV Geothermal642,454MWh11
Mammoth G2Mammoth Pacific LP (100.00%)
Mono County CA Geothermal62,321MWh11
Mammoth G1Mammoth Pacific LP (100.00%)
Mono County CA Geothermal57,681MWh11
Thermo No 1Thermo No 1 BE 01 LLC (100.00%)
Beaver County UT Geothermal54,791MWh11
McGinness Hills 3Ormat Nevada Inc (100.00%)
Lander County NV Geothermal543,700MWh11
Star Peak Geothermal PlantStar Peak Geothermal LLC. (100.00%)
Imlay CDP NV Geothermal51,828MWh11
Calistoga Power PlantCalpine (100.00%)
Lake County CA Geothermal466,560MWh11
Steamboat IIISteamboat Development Corp (100.00%)
Reno NV Geothermal45,603MWh11
Geysers Unit 5-20Calpine (100.00%)
Sonoma County CA Geothermal4,401,750MWh11
Dixie ValleyOrmat Nevada Inc (100.00%)
Churchill County NV Geothermal439,705MWh11
Coso Finance PartnersCoso Operating Co LLC (100.00%)
Inyo County CA Geothermal394,579MWh11
John L. Featherstone PlantHudson Ranch Power I LLC (100.00%)
Imperial County CA Geothermal384,022MWh11
Imperial County CA Geothermal359,388MWh11
Coso Power DevelopersCoso Operating Co LLC (100.00%)
Inyo County CA Geothermal339,387MWh11
Salton Sea Power Gen Co - Unit 3MidAmerican Energy (100.00%)
Imperial County CA Geothermal336,510MWh11
Imperial County CA Geothermal335,023MWh11
Tungsten MountainTungsten Mountain (100.00%)
Churchill County NV Geothermal325,131MWh11
Lightning Dock Geothermal HI-01, LLCLightning Dock Geothermal HI-01, LLC (100.00%)
Cotton City CDP NM Geothermal32,159MWh11
Salton Sea Power Gen Co - Unit 4MidAmerican Energy (100.00%)
Imperial County CA Geothermal319,695MWh11
Imperial County CA Geothermal311,215MWh11
Salton Sea Power LLC - Unit 5MidAmerican Energy (100.00%)
Imperial County CA Geothermal302,798MWh11
Sonoma County CA Geothermal293,738MWh11
North Brawley Geothermal PlantOrmat Nevada Inc (100.00%)
Imperial County CA Geothermal28,203MWh11
Coso Energy DevelopersCoso Operating Co LLC (100.00%)
Inyo County CA Geothermal277,255MWh11
CD4CD4 (100.00%)
Mono County CA Geothermal272,311MWh11
Vulcan-BN Geothermal Power CompanyMidAmerican Energy (100.00%)
Imperial County CA Geothermal259,350MWh11
Sonoma County CA Geothermal254,613MWh11
Beaver County UT Geothermal248,201MWh11
North ValleyNorth Valley (100.00%)
Churchill County NV Geothermal215,831MWh11
NGP Blue Mountain I LLCNGP Blue Mountain I LLC (100.00%)
Humboldt County NV Geothermal193,878MWh11
King Manalo
Last Reviewed By: King Manalo
Published: 2024-09-11